31023133232130 has 192 divisors, whose sum is σ = 87333411110400. Its totient is φ = 7595292976128.

The previous prime is 31023133232089. The next prime is 31023133232131. The reversal of 31023133232130 is 3123233132013.

31023133232130 is a `hidden beast` number, since 3 + 1 + 0 + 2 + 3 + 1 + 332 + 321 + 3 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 31023133232094 and 31023133232103.

It is not an unprimeable number, because it can be changed into a prime (31023133232131) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 672157134 + ... + 672203286.

It is an arithmetic number, because the mean of its divisors is an integer number (454861516200).

Almost surely, 2^{31023133232130} is an apocalyptic number.

31023133232130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 31023133232130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43666705555200).

31023133232130 is an abundant number, since it is smaller than the sum of its proper divisors (56310277878270).

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

31023133232130 is a wasteful number, since it uses less digits than its factorization.

31023133232130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49265 (or 49262 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

Adding to 31023133232130 its reverse (3123233132013), we get a palindrome (34146366364143).

The spelling of 31023133232130 in words is "thirty-one trillion, twenty-three billion, one hundred thirty-three million, two hundred thirty-two thousand, one hundred thirty".