31401140401213 has 16 divisors (see below), whose sum is σ = 34264692027072. Its totient is φ = 28539073584000.

The previous prime is 31401140401207. The next prime is 31401140401219. The reversal of 31401140401213 is 31210404110413.

It is an interprime number because it is at equal distance from previous prime (31401140401207) and next prime (31401140401219).

It is a cyclic number.

It is not a de Polignac number, because 31401140401213 - 2⁴¹ = 29202117145661 is a prime.

It is a super-2 number, since 2×31401140401213² (a number of 28 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 (31401140401219) 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, 946342483 + ... + 946375663.

It is an arithmetic number, because the mean of its divisors is an integer number (2141543251692).

Almost surely, 2^{31401140401213} is an apocalyptic number.

It is an amenable number.

31401140401213 is a deficient number, since it is larger than the sum of its proper divisors (2863551625859).

31401140401213 is a wasteful number, since it uses less digits than its factorization.

31401140401213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52956.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 31401140401213 its reverse (31210404110413), we get a palindrome (62611544511626).

The spelling of 31401140401213 in words is "thirty-one trillion, four hundred one billion, one hundred forty million, four hundred one thousand, two hundred thirteen".