31450143512403 has 64 divisors (see below), whose sum is σ = 58094827914240. Its totient is φ = 16336303430400.

The previous prime is 31450143512387. The next prime is 31450143512407. The reversal of 31450143512403 is 30421534105413.

31450143512403 is a `hidden beast` number, since 3 + 1 + 4 + 50 + 14 + 351 + 240 + 3 = 666.

It is not a de Polignac number, because 31450143512403 - 2⁴ = 31450143512387 is a prime.

It is a super-2 number, since 2×31450143512403² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31450143512407) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23244373 + ... + 24560153.

It is an arithmetic number, because the mean of its divisors is an integer number (907731686160).

Almost surely, 2^{31450143512403} is an apocalyptic number.

31450143512403 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

31450143512403 is a deficient number, since it is larger than the sum of its proper divisors (26644684401837).

31450143512403 is a wasteful number, since it uses less digits than its factorization.

31450143512403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1327305 (or 1327299 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 31450143512403 its reverse (30421534105413), we get a palindrome (61871677617816).

The spelling of 31450143512403 in words is "thirty-one trillion, four hundred fifty billion, one hundred forty-three million, five hundred twelve thousand, four hundred three".