31402135707 has 8 divisors (see below), whose sum is σ = 41874632784. Its totient is φ = 20932197888.

The previous prime is 31402135703. The next prime is 31402135717. The reversal of 31402135707 is 70753120413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31402135707 - 2² = 31402135703 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31402135703) 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, 610998 + ... + 660395.

It is an arithmetic number, because the mean of its divisors is an integer number (5234329098).

Almost surely, 2^31402135707 is an apocalyptic number.

31402135707 is a deficient number, since it is larger than the sum of its proper divisors (10472497077).

31402135707 is a wasteful number, since it uses less digits than its factorization.

31402135707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1279629.

The product of its (nonzero) digits is 17640, while the sum is 33.

The spelling of 31402135707 in words is "thirty-one billion, four hundred two million, one hundred thirty-five thousand, seven hundred seven".