31420301133444 has 96 divisors (see below), whose sum is σ = 73733668678656. Its totient is φ = 10413697964160.

The previous prime is 31420301133379. The next prime is 31420301133457. The reversal of 31420301133444 is 44433110302413.

It is a super-2 number, since 2×31420301133444² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2393556409 + ... + 2393569535.

It is an arithmetic number, because the mean of its divisors is an integer number (768059048736).

Almost surely, 2^{31420301133444} is an apocalyptic number.

It is an amenable number.

31420301133444 is an abundant number, since it is smaller than the sum of its proper divisors (42313367545212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31420301133444 is a wasteful number, since it uses less digits than its factorization.

31420301133444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15065 (or 15063 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 31420301133444 its reverse (44433110302413), we get a palindrome (75853411435857).

The spelling of 31420301133444 in words is "thirty-one trillion, four hundred twenty billion, three hundred one million, one hundred thirty-three thousand, four hundred forty-four".