31000201430 has 32 divisors (see below), whose sum is σ = 61557109920. Its totient is φ = 11146136320.

The previous prime is 31000201409. The next prime is 31000201447. The reversal of 31000201430 is 3410200013.

It is a super-2 number, since 2×31000201430² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1573469 + ... + 1593048.

It is an arithmetic number, because the mean of its divisors is an integer number (1923659685).

Almost surely, 2^31000201430 is an apocalyptic number.

31000201430 is a deficient number, since it is larger than the sum of its proper divisors (30556908490).

31000201430 is a wasteful number, since it uses less digits than its factorization.

31000201430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3166624.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 31000201430 its reverse (3410200013), we get a palindrome (34410401443).

The spelling of 31000201430 in words is "thirty-one billion, two hundred one thousand, four hundred thirty".