121031032131 has 36 divisors (see below), whose sum is σ = 177034438152. Its totient is φ = 79677670464.

The previous prime is 121031032123. The next prime is 121031032159. The reversal of 121031032131 is 131230130121.

121031032131 is a `hidden beast` number, since 1 + 2 + 1 + 0 + 310 + 321 + 31 = 666.

It is not a de Polignac number, because 121031032131 - 2³ = 121031032123 is a prime.

It is a super-2 number, since 2×121031032131² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121031032931) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 32949711 + ... + 32953383.

It is an arithmetic number, because the mean of its divisors is an integer number (4917623282).

Almost surely, 2^121031032131 is an apocalyptic number.

121031032131 is a deficient number, since it is larger than the sum of its proper divisors (56003406021).

121031032131 is a wasteful number, since it uses less digits than its factorization.

121031032131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4160 (or 4030 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 121031032131 its reverse (131230130121), we get a palindrome (252261162252).

The spelling of 121031032131 in words is "one hundred twenty-one billion, thirty-one million, thirty-two thousand, one hundred thirty-one".