13021402031 has 16 divisors (see below), whose sum is σ = 15008457600. Its totient is φ = 11172866400.

The previous prime is 13021402007. The next prime is 13021402033. The reversal of 13021402031 is 13020412031.

It is not a de Polignac number, because 13021402031 - 2¹⁴ = 13021385647 is a prime.

It is a super-2 number, since 2×13021402031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13021402033) 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, 59585 + ... + 172026.

It is an arithmetic number, because the mean of its divisors is an integer number (938028600).

Almost surely, 2^13021402031 is an apocalyptic number.

13021402031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13021402031 is a deficient number, since it is larger than the sum of its proper divisors (1987055569).

13021402031 is a wasteful number, since it uses less digits than its factorization.

13021402031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231910.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 13021402031 its reverse (13020412031), we get a palindrome (26041814062).

The spelling of 13021402031 in words is "thirteen billion, twenty-one million, four hundred two thousand, thirty-one".