31013202000 has 640 divisors, whose sum is σ = 116925659136. Its totient is φ = 6988800000.

The previous prime is 31013201987. The next prime is 31013202037. The reversal of 31013202000 is 20231013.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 146981895 + ... + 146982105.

Almost surely, 2^31013202000 is an apocalyptic number.

31013202000 is a gapful number since it is divisible by the number (30) 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 31013202000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58462829568).

31013202000 is an abundant number, since it is smaller than the sum of its proper divisors (85912457136).

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

31013202000 is a wasteful number, since it uses less digits than its factorization.

31013202000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396 (or 380 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 31013202000 its reverse (20231013), we get a palindrome (31033433013).

The spelling of 31013202000 in words is "thirty-one billion, thirteen million, two hundred two thousand".