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13131202443132 = 2233427331927957
BaseRepresentation
bin1011111100010101100010…
…1010000011011101111100
31201111022221002001012210010
42333011120222003131330
53210120200311140012
643532220252143220
72523461303101014
oct277053052033574
951438832035703
1013131202443132
114202a034a4184
121580ab9167b10
137433619cb457
143357a7098c44
1517b88cd69c3c
hexbf158a8377c

13131202443132 has 24 divisors (see below), whose sum is σ = 30640367309776. Its totient is φ = 4376939632128.

The previous prime is 13131202443127. The next prime is 13131202443137. The reversal of 13131202443132 is 23134420213131.

It is an interprime number because it is at equal distance from previous prime (13131202443127) and next prime (13131202443137).

It is a self number, because there is not a number n which added to its sum of digits gives 13131202443132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13131202443137) 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, 15552703 + ... + 16375254.

Almost surely, 213131202443132 is an apocalyptic number.

13131202443132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13131202443132 is an abundant number, since it is smaller than the sum of its proper divisors (17509164866644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13131202443132 is a wasteful number, since it uses less digits than its factorization.

13131202443132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31962237 (or 31962235 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 13131202443132 its reverse (23134420213131), we get a palindrome (36265622656263).

The spelling of 13131202443132 in words is "thirteen trillion, one hundred thirty-one billion, two hundred two million, four hundred forty-three thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 34273 68546 102819 137092 205638 411276 31927957 63855914 95783871 127711828 191567742 383135484 1094266870261 2188533740522 3282800610783 4377067481044 6565601221566 13131202443132