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131435534154031 = 612287942142933
BaseRepresentation
bin11101111000101000111000…
…010100101111100100101111
3122020101010002100210010202121
4131320220320110233210233
5114211414433220412111
61143312352324533411
736453622030531312
oct3570507024574457
9566333070703677
10131435534154031
1138974551570368
12128a9106551267
135845418c657b3
142465729bda979
15102de170eb871
hex778a3852f92f

131435534154031 has 8 divisors (see below), whose sum is σ = 133648628045504. Its totient is φ = 129224324553120.

The previous prime is 131435534154013. The next prime is 131435534154047. The reversal of 131435534154031 is 130451435534131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131435534154031 - 25 = 131435534153999 is a prime.

It is a super-2 number, since 2×1314355341540312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131435534104031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 470931960 + ... + 471210973.

It is an arithmetic number, because the mean of its divisors is an integer number (16706078505688).

Almost surely, 2131435534154031 is an apocalyptic number.

131435534154031 is a deficient number, since it is larger than the sum of its proper divisors (2213093891473).

131435534154031 is an equidigital number, since it uses as much as digits as its factorization.

131435534154031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942145281.

The product of its (nonzero) digits is 648000, while the sum is 43.

Adding to 131435534154031 its reverse (130451435534131), we get a palindrome (261886969688162).

The spelling of 131435534154031 in words is "one hundred thirty-one trillion, four hundred thirty-five billion, five hundred thirty-four million, one hundred fifty-four thousand, thirty-one".

Divisors: 1 61 2287 139507 942142933 57470718913 2154680887771 131435534154031