32131012223100 has 144 divisors (see below), whose sum is σ = 106400309555456. Its totient is φ = 7333602624000.

The previous prime is 32131012223087. The next prime is 32131012223113. The reversal of 32131012223100 is 132221013123.

It is an interprime number because it is at equal distance from previous prime (32131012223087) and next prime (32131012223113).

It is a super-2 number, since 2×32131012223100² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9620161 + ... + 12522360.

Almost surely, 2^{32131012223100} is an apocalyptic number.

32131012223100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32131012223100 is an abundant number, since it is smaller than the sum of its proper divisors (74269297332356).

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

32131012223100 is a wasteful number, since it uses less digits than its factorization.

32131012223100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22143236 (or 22143229 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 32131012223100 its reverse (132221013123), we get a palindrome (32263233236223).

The spelling of 32131012223100 in words is "thirty-two trillion, one hundred thirty-one billion, twelve million, two hundred twenty-three thousand, one hundred".