3131011401 has 16 divisors (see below), whose sum is σ = 4795791744. Its totient is φ = 1779876864.

The previous prime is 3131011393. The next prime is 3131011409. The reversal of 3131011401 is 1041101313.

It is an interprime number because it is at equal distance from previous prime (3131011393) and next prime (3131011409).

It is not a de Polignac number, because 3131011401 - 2³ = 3131011393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3131011409) 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, 382206 + ... + 390311.

It is an arithmetic number, because the mean of its divisors is an integer number (299736984).

Almost surely, 2^3131011401 is an apocalyptic number.

It is an amenable number.

3131011401 is a deficient number, since it is larger than the sum of its proper divisors (1664780343).

3131011401 is a wasteful number, since it uses less digits than its factorization.

3131011401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772720.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 3131011401 is about 55955.4412099485. The cubic root of 3131011401 is about 1462.9457322662.

Adding to 3131011401 its reverse (1041101313), we get a palindrome (4172112714).

The spelling of 3131011401 in words is "three billion, one hundred thirty-one million, eleven thousand, four hundred one".