31022231141130 has 256 divisors, whose sum is σ = 81995021853696. Its totient is φ = 7487497543680.

The previous prime is 31022231141101. The next prime is 31022231141137. The reversal of 31022231141130 is 3114113222013.

It is a self number, because there is not a number n which added to its sum of digits gives 31022231141130.

It is not an unprimeable number, because it can be changed into a prime (31022231141137) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 331766664 + ... + 331860156.

It is an arithmetic number, because the mean of its divisors is an integer number (320293054116).

Almost surely, 2^{31022231141130} is an apocalyptic number.

31022231141130 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 31022231141130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40997510926848).

31022231141130 is an abundant number, since it is smaller than the sum of its proper divisors (50972790712566).

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

31022231141130 is a wasteful number, since it uses less digits than its factorization.

31022231141130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93921.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 31022231141130 its reverse (3114113222013), we get a palindrome (34136344363143).

The spelling of 31022231141130 in words is "thirty-one trillion, twenty-two billion, two hundred thirty-one million, one hundred forty-one thousand, one hundred thirty".