31356130405422 has 16 divisors (see below), whose sum is σ = 63267236571600. Its totient is φ = 10359547508352.

The previous prime is 31356130405381. The next prime is 31356130405429. The reversal of 31356130405422 is 22450403165313.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31356130405429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23123989297 + ... + 23123990652.

It is an arithmetic number, because the mean of its divisors is an integer number (3954202285725).

Almost surely, 2^{31356130405422} is an apocalyptic number.

31356130405422 is an abundant number, since it is smaller than the sum of its proper divisors (31911106166178).

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

31356130405422 is a wasteful number, since it uses less digits than its factorization.

31356130405422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46247980067.

The product of its (nonzero) digits is 259200, while the sum is 39.

The spelling of 31356130405422 in words is "thirty-one trillion, three hundred fifty-six billion, one hundred thirty million, four hundred five thousand, four hundred twenty-two".