31330333013140 has 48 divisors (see below), whose sum is σ = 75415923378432. Its totient is φ = 10709953583616.

The previous prime is 31330333013101. The next prime is 31330333013153. The reversal of 31330333013140 is 4131033303313.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 31330333013099 and 31330333013108.

It is a congruent number.

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, 331982632 + ... + 332076991.

It is an arithmetic number, because the mean of its divisors is an integer number (1571165070384).

Almost surely, 2^{31330333013140} is an apocalyptic number.

It is an amenable number.

31330333013140 is an abundant number, since it is smaller than the sum of its proper divisors (44085590365292).

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

31330333013140 is a wasteful number, since it uses less digits than its factorization.

31330333013140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664059976 (or 664059974 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 28.

Adding to 31330333013140 its reverse (4131033303313), we get a palindrome (35461366316453).

The spelling of 31330333013140 in words is "thirty-one trillion, three hundred thirty billion, three hundred thirty-three million, thirteen thousand, one hundred forty".