31030121121132 has 48 divisors (see below), whose sum is σ = 82773151284992. Its totient is φ = 8862945860160.

The previous prime is 31030121121107. The next prime is 31030121121151. The reversal of 31030121121132 is 23112112103013.

It is a super-2 number, since 2×31030121121132² (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 junction number, because it is equal to n+sod(n) for n = 31030121121099 and 31030121121108.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58129219 + ... + 58660602.

Almost surely, 2^{31030121121132} is an apocalyptic number.

It is an amenable number.

31030121121132 is an abundant number, since it is smaller than the sum of its proper divisors (51743030163860).

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

31030121121132 is a wasteful number, since it uses less digits than its factorization.

31030121121132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116792998 (or 116792996 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 31030121121132 its reverse (23112112103013), we get a palindrome (54142233224145).

The spelling of 31030121121132 in words is "thirty-one trillion, thirty billion, one hundred twenty-one million, one hundred twenty-one thousand, one hundred thirty-two".