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131432420311143 = 37389120247133801
BaseRepresentation
bin11101111000100101111110…
…101110011000000001100111
3122020100211001100112112100020
4131320211332232120001213
5114211342044044424033
61143311115332250223
736453451620360210
oct3570457656300147
9566324040475306
10131432420311143
11389731a3914096
12128a8597770973
135845040b01a03
14246551243c407
15102dcd3a6b6b3
hex77897eb98067

131432420311143 has 32 divisors (see below), whose sum is σ = 200795997742080. Its totient is φ = 74909987308800.

The previous prime is 131432420311139. The next prime is 131432420311147. The reversal of 131432420311143 is 341113024234131.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (131432420311139) and next prime (131432420311147).

It is not a de Polignac number, because 131432420311143 - 22 = 131432420311139 is a prime.

It is a super-2 number, since 2×1314324203111432 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131432420311147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 982230843 + ... + 982364643.

It is an arithmetic number, because the mean of its divisors is an integer number (6274874929440).

Almost surely, 2131432420311143 is an apocalyptic number.

131432420311143 is a deficient number, since it is larger than the sum of its proper divisors (69363577430937).

131432420311143 is a wasteful number, since it uses less digits than its factorization.

131432420311143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254447.

The product of its (nonzero) digits is 20736, while the sum is 33.

Adding to 131432420311143 its reverse (341113024234131), we get a palindrome (472545444545274).

The spelling of 131432420311143 in words is "one hundred thirty-one trillion, four hundred thirty-two billion, four hundred twenty million, three hundred eleven thousand, one hundred forty-three".

Divisors: 1 3 7 21 389 1167 2723 8169 120247 133801 360741 401403 841729 936607 2525187 2809821 46776083 52048589 140328249 156145767 327432581 364340123 982297743 1093020369 16089168847 48267506541 112624181929 337872545787 6258686681483 18776060044449 43810806770381 131432420311143