31420341115554 has 16 divisors (see below), whose sum is σ = 62841403737792. Its totient is φ = 10473326787408.

The previous prime is 31420341115549. The next prime is 31420341115589. The reversal of 31420341115554 is 45551114302413.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29495829 + ... + 30542504.

It is an arithmetic number, because the mean of its divisors is an integer number (3927587733612).

Almost surely, 2^{31420341115554} is an apocalyptic number.

31420341115554 is an abundant number, since it is smaller than the sum of its proper divisors (31421062622238).

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

31420341115554 is a wasteful number, since it uses less digits than its factorization.

31420341115554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60125561.

The product of its (nonzero) digits is 144000, while the sum is 39.

Adding to 31420341115554 its reverse (45551114302413), we get a palindrome (76971455417967).

The spelling of 31420341115554 in words is "thirty-one trillion, four hundred twenty billion, three hundred forty-one million, one hundred fifteen thousand, five hundred fifty-four".