31023101304 has 256 divisors, whose sum is σ = 98570908800. Its totient is φ = 8955961344.

The previous prime is 31023101299. The next prime is 31023101327. The reversal of 31023101304 is 40310132013.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18950374 + ... + 18952010.

Almost surely, 2^31023101304 is an apocalyptic number.

31023101304 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31023101304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49285454400).

31023101304 is an abundant number, since it is smaller than the sum of its proper divisors (67547807496).

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

31023101304 is a wasteful number, since it uses less digits than its factorization.

31023101304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2079 (or 2069 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 31023101304 its reverse (40310132013), we get a palindrome (71333233317).

The spelling of 31023101304 in words is "thirty-one billion, twenty-three million, one hundred one thousand, three hundred four".