70031121418 has 16 divisors (see below), whose sum is σ = 109685635776. Its totient is φ = 33471234720.

The previous prime is 70031121409. The next prime is 70031121439. The reversal of 70031121418 is 81412113007.

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, 426771 + ... + 567622.

It is an arithmetic number, because the mean of its divisors is an integer number (6855352236).

Almost surely, 2^70031121418 is an apocalyptic number.

70031121418 is a deficient number, since it is larger than the sum of its proper divisors (39654514358).

70031121418 is a wasteful number, since it uses less digits than its factorization.

70031121418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995949.

The product of its (nonzero) digits is 1344, while the sum is 28.

The spelling of 70031121418 in words is "seventy billion, thirty-one million, one hundred twenty-one thousand, four hundred eighteen".