31401200120307 has 16 divisors (see below), whose sum is σ = 41963884612608. Its totient is φ = 20886327015840.

The previous prime is 31401200120267. The next prime is 31401200120317. The reversal of 31401200120307 is 70302100210413.

It is a happy number.

It is not a de Polignac number, because 31401200120307 - 2²³ = 31401191731699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31401200120317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53590257 + ... + 54173037.

It is an arithmetic number, because the mean of its divisors is an integer number (2622742788288).

Almost surely, 2^{31401200120307} is an apocalyptic number.

31401200120307 is a deficient number, since it is larger than the sum of its proper divisors (10562684492301).

31401200120307 is a wasteful number, since it uses less digits than its factorization.

31401200120307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623770.

The product of its (nonzero) digits is 1008, while the sum is 24.

The spelling of 31401200120307 in words is "thirty-one trillion, four hundred one billion, two hundred million, one hundred twenty thousand, three hundred seven".