31144033141430 has 16 divisors (see below), whose sum is σ = 61155555987024. Its totient is φ = 11325102960480.

The previous prime is 31144033141421. The next prime is 31144033141489. The reversal of 31144033141430 is 3414133044113.

It is a super-3 number, since 3×31144033141430³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141563786897 + ... + 141563787116.

It is an arithmetic number, because the mean of its divisors is an integer number (3822222249189).

Almost surely, 2^{31144033141430} is an apocalyptic number.

31144033141430 is a deficient number, since it is larger than the sum of its proper divisors (30011522845594).

31144033141430 is a wasteful number, since it uses less digits than its factorization.

31144033141430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283127574031.

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 31144033141430 its reverse (3414133044113), we get a palindrome (34558166185543).

The spelling of 31144033141430 in words is "thirty-one trillion, one hundred forty-four billion, thirty-three million, one hundred forty-one thousand, four hundred thirty".