31453054453045 has 32 divisors (see below), whose sum is σ = 39244256320896. Its totient is φ = 24180291590400.

The previous prime is 31453054453043. The next prime is 31453054453061. The reversal of 31453054453045 is 54035445035413.

It is a happy number.

It is not a de Polignac number, because 31453054453045 - 2¹ = 31453054453043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31453054452986 and 31453054453004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31453054453043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4151935 + ... + 8952355.

It is an arithmetic number, because the mean of its divisors is an integer number (1226383010028).

Almost surely, 2^{31453054453045} is an apocalyptic number.

It is an amenable number.

31453054453045 is a deficient number, since it is larger than the sum of its proper divisors (7791201867851).

31453054453045 is a wasteful number, since it uses less digits than its factorization.

31453054453045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4800901.

The product of its (nonzero) digits is 4320000, while the sum is 46.

Adding to 31453054453045 its reverse (54035445035413), we get a palindrome (85488499488458).

The spelling of 31453054453045 in words is "thirty-one trillion, four hundred fifty-three billion, fifty-four million, four hundred fifty-three thousand, forty-five".