31020141000 has 256 divisors, whose sum is σ = 104053248000. Its totient is φ = 7669267200.

The previous prime is 31020140927. The next prime is 31020141001. The reversal of 31020141000 is 14102013.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (31020141001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2673211 + ... + 2684789.

It is an arithmetic number, because the mean of its divisors is an integer number (406458000).

Almost surely, 2^31020141000 is an apocalyptic number.

31020141000 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 31020141000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52026624000).

31020141000 is an abundant number, since it is smaller than the sum of its proper divisors (73033107000).

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

31020141000 is a wasteful number, since it uses less digits than its factorization.

31020141000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11669 (or 11655 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 31020141000 its reverse (14102013), we get a palindrome (31034243013).

The spelling of 31020141000 in words is "thirty-one billion, twenty million, one hundred forty-one thousand".