31453455532251 has 16 divisors (see below), whose sum is σ = 45349663048704. Its totient is φ = 19315597221504.

The previous prime is 31453455532241. The next prime is 31453455532271. The reversal of 31453455532251 is 15223555435413.

It is not a de Polignac number, because 31453455532251 - 2¹⁹ = 31453455007963 is a prime.

It is a super-2 number, since 2×31453455532251² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31453455532251.

It is not an unprimeable number, because it can be changed into a prime (31453455532211) 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, 6561002095 + ... + 6561006888.

It is an arithmetic number, because the mean of its divisors is an integer number (2834353940544).

Almost surely, 2^{31453455532251} is an apocalyptic number.

31453455532251 is a deficient number, since it is larger than the sum of its proper divisors (13896207516453).

31453455532251 is a wasteful number, since it uses less digits than its factorization.

31453455532251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13122009050.

The product of its digits is 5400000, while the sum is 48.

The spelling of 31453455532251 in words is "thirty-one trillion, four hundred fifty-three billion, four hundred fifty-five million, five hundred thirty-two thousand, two hundred fifty-one".